(Subject + may + verb)It's so bad we may be stuck here for a week or so.Predictions based on the present situation(Subject + am/is/are going to + verb)The sky is completely grey - it looks like it's not going to stop raining for the next two weeks.FUTURE: PREDICTIONS, INTENTIONS AND ARRANGEMENTSIntentions(Subject + am/is/are going to + verb)I'm going to have a proper Scottish breakfast.Official arrangements, impossible to change(Subject + Verb/ Verb-s )According to the official schedule, we leave Roskilde in two hours!Personal arrangement that we can change(Subject + am/is/are + verb-ing)We're leaving for Scotland at midnight.